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医学影像服务中心拥有例病例+征象+讲座
来源:熊猫放射
作者:花人青
History:Ayoungmanpresentswithaheadache.
病史:年轻男性,头痛。
MRimageisshownbelow.MR图像如下所示。
AdditionalimagesT2-weightedandfat-suppressedcontrast-enhancedT1-weightedimagesareshownbelow.
T2WI及T1WI压脂增强图像如下所示。
Findings
Acysticstructureisseeninthespleniumofthecorpuscallosumwithasmallinternalnoduleandsmoothrimenhancement.Thereisanadditionalsmallcystwithinternalsignalconsistentwithfluidintheanteriorhornoftheleftlateralventricle.
影像表现:胼胝体压部见一囊性结构,内见一小壁结节,增强扫描壁环形强化,表面光滑。左侧侧脑室前角另见一小液性囊性灶。
Differentialdiagnosis
Neurocysticercosis
Abscesses
Metastaticdisease
鉴别诊断:
脑囊虫病
脑脓肿
转移瘤
Diagnosis:Neurocysticercosis(NCC),colloidalvesicularstage
诊断:脑囊虫病(NCC),胶样囊泡期
KeypointsNeurocysticercosis(NCC)
NeurocysticercosisisaparasiticinfectionofthecentralnervoussystemiscausedbytheporktapewormTaeniasolium.
HighestincidenceisinLatinAmerica.
Dependingonlocationoftheinfection,patientsmaypresentwithheadache,seizures,hydrocephalus,etc.
SymptomsarecausedbytheimmunereactiontoNCC,notthelesionsthemselves.
Typicallyoccurinsubarachnoidspaces,ventricles/cisterns,andatthegray/whitematterinterface.
Variable-sizecystsmaybeseenwithorwithoutrimenhancementandasmallcentralnodule(scolex).
Fourstagesofinfection:
Vesicular:Viablelarva;smooth-walledcystwithcentralscolex
Colloidalvesicular:Degeneratinglarva;rim-enhancingcystandmarkedsurroundingedema
Granularnodular:Healingstage;mildedemaandrimenhancement
Nodularcalcified:Healedstage;small,involutedcystwithorwithoutcalcifications
Metastaticdiseaseisfarmore泉州白癜风医院中科白殿疯医院怎么样
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